27 Nutrient cycles 12-7-09

27 Nutrient cycles 12-7-09 - Nature 341: 142-144. Primary...

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For Wed: 1. What are the important ecological problems posed by climate change (Chapt 24)? 2. What are the primary issues being discussed at Copenhagen? 3 What should ecologists do? 3.
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Ecology 203 Overview Life in the Phys. Env. Organisms and Evolution Populations Species Interactions Communities Ecosystems Ecological Applications Gregg Hartvigsen Ecosystems Energy and Primary Productivity Chapt 22 (Chapt 22) Secondary Productivity (Chapt 23) Nutrient Cycling (Chapt 24) Ecosystem Dynamics – Climate Change Chapt 24 (Chapt 24) Final Exam: 8:00 AM on December 18
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What is the effect of fertilization on the biomass of phytoplankton in a lake? Now be a critical scientific thinker and evaluate….(inference)
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Ecosystems Energy and Primary Productivity Chapt 22 (Chapt 22) Secondary Productivity (Chapt 23) Nutrient Cycling (Chapt 24) Ecosystem Dynamics – Climate Change Chapt 24 (Chapt 24) Final Exam: 8:00 AM on December 18 McNaughton et al. 1989. Ecosystem- level patterns of primary productivity and herbivory in terrestrial habitats.
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Unformatted text preview: Nature 341: 142-144. Primary Productivity, NAP Primary Productivity, NAP Conclusion: Productivity depends on: climatic factors (e.g., radiation and precipitation) plant adaptations (photosynthetic pathway) Productivity appears to determine Productivity appears to determine: herbivore productivity consumption rate total biomass Ecosystems Energy and Primary Productivity Chapt 22 (Chapt 22) Secondary Productivity (Chapt 23) Nutrient Cycling (Chapt 24) Ecosystem Dynamics Climate Change Chapt 24 (Chapt 24) Final Exam: 8:00 AM on December 18 Nutrient Cycles General Patterns & Cycles Applications Hydrologic Cycle Nitrogen Cycle Carbon Cycle Sulpher Cycle x 10 12 gS/yr Phosphorus Phosphorus Nutrient Cycles General Patterns & Cycles Applications Average pH of precip in the USA in 2006 (Krebs 2009) About 10 miles downstream from the Sudbury Smelter...
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27 Nutrient cycles 12-7-09 - Nature 341: 142-144. Primary...

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